status-go/services/shhext/history_test.go

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Go
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package shhext
import (
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rlp"
"github.com/status-im/status-go/db"
"github.com/status-im/status-go/mailserver"
whisper "github.com/status-im/whisper/whisperv6"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func createInMemStore(t *testing.T) db.HistoryStore {
mdb, err := db.NewMemoryDB()
require.NoError(t, err)
return db.NewHistoryStore(mdb)
}
func TestRenewRequest(t *testing.T) {
req := db.HistoryRequest{}
duration := time.Hour
req.AddHistory(db.TopicHistory{Duration: duration})
firstNow := time.Now()
RenewRequests([]db.HistoryRequest{req}, firstNow)
initial := firstNow.Add(-duration).Unix()
th := req.Histories()[0]
require.Equal(t, initial, th.Current.Unix())
require.Equal(t, initial, th.First.Unix())
require.Equal(t, firstNow.Unix(), th.End.Unix())
secondNow := time.Now()
RenewRequests([]db.HistoryRequest{req}, secondNow)
require.Equal(t, initial, th.Current.Unix())
require.Equal(t, initial, th.First.Unix())
require.Equal(t, secondNow.Unix(), th.End.Unix())
}
func TestCreateTopicOptionsFromRequest(t *testing.T) {
req := db.HistoryRequest{}
topic := whisper.TopicType{1}
now := time.Now()
req.AddHistory(db.TopicHistory{Topic: topic, Current: now, End: now})
options := CreateTopicOptionsFromRequest(req)
require.Len(t, options, len(req.Histories()),
"length must be equal to the number of topic histories attached to request")
require.Equal(t, topic, options[0].Topic)
require.Equal(t, uint64(now.Add(-WhisperTimeAllowance).Unix()), options[0].Range.Start,
"start of the range must be adjusted by the whisper time allowance")
require.Equal(t, uint64(now.Unix()), options[0].Range.End)
}
func TestTopicOptionsToBloom(t *testing.T) {
options := TopicOptions{
{Topic: whisper.TopicType{1}, Range: Range{Start: 1, End: 10}},
{Topic: whisper.TopicType{2}, Range: Range{Start: 3, End: 12}},
}
bloom := options.ToBloomFilterOption()
require.Equal(t, uint64(3), bloom.Range.Start, "Start must be the latest Start across all options")
require.Equal(t, uint64(12), bloom.Range.End, "End must be the latest End across all options")
require.Equal(t, topicsToBloom(options[0].Topic, options[1].Topic), bloom.Filter)
}
func TestBloomFilterToMessageRequestPayload(t *testing.T) {
var (
start uint32 = 10
end uint32 = 20
filter = []byte{1, 1, 1, 1}
message = mailserver.MessagesRequestPayload{
Lower: start,
Upper: end,
Bloom: filter,
Batch: true,
Limit: 10000,
}
bloomOption = BloomFilterOption{
Filter: filter,
Range: Range{
Start: uint64(start),
End: uint64(end),
},
}
)
expected, err := rlp.EncodeToBytes(message)
require.NoError(t, err)
payload, err := bloomOption.ToMessagesRequestPayload()
require.NoError(t, err)
require.Equal(t, expected, payload)
}
func TestCreateRequestsEmptyState(t *testing.T) {
now := time.Now()
reactor := NewHistoryUpdateReactor(
createInMemStore(t), NewRequestsRegistry(0),
func() time.Time { return now })
requests, err := reactor.CreateRequests([]TopicRequest{
{Topic: whisper.TopicType{1}, Duration: time.Hour},
{Topic: whisper.TopicType{2}, Duration: time.Hour},
{Topic: whisper.TopicType{3}, Duration: 10 * time.Hour},
})
require.NoError(t, err)
require.Len(t, requests, 2)
var (
oneTopic, twoTopic db.HistoryRequest
)
if len(requests[0].Histories()) == 1 {
oneTopic, twoTopic = requests[0], requests[1]
} else {
oneTopic, twoTopic = requests[1], requests[0]
}
require.Len(t, oneTopic.Histories(), 1)
require.Len(t, twoTopic.Histories(), 2)
}
func TestCreateRequestsWithExistingRequest(t *testing.T) {
store := createInMemStore(t)
req := store.NewRequest()
req.ID = common.Hash{1}
th := store.NewHistory(whisper.TopicType{1}, time.Hour)
req.AddHistory(th)
require.NoError(t, req.Save())
reactor := NewHistoryUpdateReactor(store, NewRequestsRegistry(0), time.Now)
requests, err := reactor.CreateRequests([]TopicRequest{
{Topic: whisper.TopicType{1}, Duration: time.Hour},
{Topic: whisper.TopicType{2}, Duration: time.Hour},
{Topic: whisper.TopicType{3}, Duration: time.Hour},
})
require.NoError(t, err)
require.Len(t, requests, 2)
var (
oneTopic, twoTopic db.HistoryRequest
)
if len(requests[0].Histories()) == 1 {
oneTopic, twoTopic = requests[0], requests[1]
} else {
oneTopic, twoTopic = requests[1], requests[0]
}
assert.Len(t, oneTopic.Histories(), 1)
assert.Len(t, twoTopic.Histories(), 2)
}
func TestCreateMultiRequestsWithSameTopic(t *testing.T) {
now := time.Now()
reactor := NewHistoryUpdateReactor(
createInMemStore(t), NewRequestsRegistry(0),
func() time.Time { return now })
topic := whisper.TopicType{1}
requests, err := reactor.CreateRequests([]TopicRequest{
{Topic: topic, Duration: time.Hour},
})
require.NoError(t, err)
require.Len(t, requests, 1)
requests[0].ID = common.Hash{1}
require.NoError(t, requests[0].Save())
// duration changed. request wasn't finished
requests, err = reactor.CreateRequests([]TopicRequest{
{Topic: topic, Duration: 10 * time.Hour},
})
require.NoError(t, err)
require.Len(t, requests, 2)
longest := 0
for i := range requests {
r := &requests[i]
r.ID = common.Hash{byte(i)}
require.NoError(t, r.Save())
require.Len(t, r.Histories(), 1)
if r.Histories()[0].Duration == 10*time.Hour {
longest = i
}
}
require.Equal(t, requests[longest].Histories()[0].End, requests[longest^1].Histories()[0].First)
for _, r := range requests {
require.NoError(t, reactor.UpdateFinishedRequest(r.ID))
}
requests, err = reactor.CreateRequests([]TopicRequest{
{Topic: topic, Duration: 10 * time.Hour},
})
require.NoError(t, err)
require.Len(t, requests, 1)
topics, err := reactor.store.GetHistoriesByTopic(topic)
require.NoError(t, err)
require.Len(t, topics, 1)
require.Equal(t, 10*time.Hour, topics[0].Duration)
}
func TestRequestFinishedUpdate(t *testing.T) {
store := createInMemStore(t)
req := store.NewRequest()
req.ID = common.Hash{1}
now := time.Now()
thOne := store.NewHistory(whisper.TopicType{1}, time.Hour)
thOne.End = now
thTwo := store.NewHistory(whisper.TopicType{2}, time.Hour)
thTwo.End = now
req.AddHistory(thOne)
req.AddHistory(thTwo)
require.NoError(t, req.Save())
reactor := NewHistoryUpdateReactor(store, NewRequestsRegistry(0), time.Now)
require.NoError(t, reactor.UpdateTopicHistory(thOne.Topic, now.Add(-time.Minute)))
require.NoError(t, reactor.UpdateFinishedRequest(req.ID))
_, err := store.GetRequest(req.ID)
require.EqualError(t, err, "leveldb: not found")
require.NoError(t, thOne.Load())
require.NoError(t, thTwo.Load())
require.Equal(t, now.Unix(), thOne.Current.Unix())
require.Equal(t, now.Unix(), thTwo.Current.Unix())
}
func TestTopicHistoryUpdate(t *testing.T) {
reqID := common.Hash{1}
store := createInMemStore(t)
request := store.NewRequest()
request.ID = reqID
now := time.Now()
require.NoError(t, request.Save())
th := store.NewHistory(whisper.TopicType{1}, time.Hour)
th.RequestID = request.ID
th.End = now
require.NoError(t, th.Save())
reactor := NewHistoryUpdateReactor(store, NewRequestsRegistry(0), time.Now)
timestamp := now.Add(-time.Minute)
require.NoError(t, reactor.UpdateTopicHistory(th.Topic, timestamp))
require.NoError(t, th.Load())
require.Equal(t, timestamp.Unix(), th.Current.Unix())
require.NoError(t, reactor.UpdateTopicHistory(th.Topic, now))
require.NoError(t, th.Load())
require.Equal(t, timestamp.Unix(), th.Current.Unix())
}
func TestGroupHistoriesByRequestTimestamp(t *testing.T) {
requests := GroupHistoriesByRequestTimespan(createInMemStore(t), []db.TopicHistory{
{Topic: whisper.TopicType{1}, Duration: time.Hour},
{Topic: whisper.TopicType{2}, Duration: time.Hour},
{Topic: whisper.TopicType{3}, Duration: 2 * time.Hour},
{Topic: whisper.TopicType{4}, Duration: 2 * time.Hour},
{Topic: whisper.TopicType{5}, Duration: 3 * time.Hour},
{Topic: whisper.TopicType{6}, Duration: 3 * time.Hour},
})
require.Len(t, requests, 3)
for _, req := range requests {
require.Len(t, req.Histories(), 2)
}
}
// initial creation of the history index. no other histories in store
func TestAdjustHistoryWithNoOtherHistories(t *testing.T) {
store := createInMemStore(t)
th := store.NewHistory(whisper.TopicType{1}, time.Hour)
adjusted, err := adjustRequestedHistories(store, []db.TopicHistory{th})
require.NoError(t, err)
require.Len(t, adjusted, 1)
require.Equal(t, th.Topic, adjusted[0].Topic)
}
// Duration for the history index with same topic was gradually incresed:
// {Duration: 1h} {Duration: 2h} {Duration: 3h}
// But actual request wasn't sent
// So when we receive {Duration: 4h} we can merge all of them into single index
// that covers all of them e.g. {Duration: 4h}
func TestAdjustHistoryWithExistingLowerRanges(t *testing.T) {
store := createInMemStore(t)
topic := whisper.TopicType{1}
histories := make([]db.TopicHistory, 3)
i := 0
for i = range histories {
histories[i] = store.NewHistory(topic, time.Duration(i+1)*time.Hour)
require.NoError(t, histories[i].Save())
}
i++
th := store.NewHistory(topic, time.Duration(i+1)*time.Hour)
adjusted, err := adjustRequestedHistories(store, []db.TopicHistory{th})
require.NoError(t, err)
require.Len(t, adjusted, 1)
require.Equal(t, th.Duration, adjusted[0].Duration)
all, err := store.GetHistoriesByTopic(topic)
require.NoError(t, err)
require.Len(t, all, 1)
require.Equal(t, th.Duration, all[0].Duration)
}
// Precondition is based on the previous test. We have same information in the database
// but now every history index request was successfully completed. And End timstamp is set to the First of the next index.
// So, we have:
// {First: now-1h, End: now} {First: now-2h, End: now-1h} {First: now-3h: End: now-2h}
// When we want to create new request with {Duration: 4h}
// We see that there is no reason to keep all indexes and we can squash them.
func TestAdjustHistoriesWithExistingCoveredLowerRanges(t *testing.T) {
store := createInMemStore(t)
topic := whisper.TopicType{1}
histories := make([]db.TopicHistory, 3)
i := 0
now := time.Now()
for i = range histories {
duration := time.Duration(i+1) * time.Hour
prevduration := time.Duration(i) * time.Hour
histories[i] = store.NewHistory(topic, duration)
histories[i].First = now.Add(-duration)
histories[i].Current = now.Add(-prevduration)
require.NoError(t, histories[i].Save())
}
i++
th := store.NewHistory(topic, time.Duration(i+1)*time.Hour)
th.Current = now.Add(-time.Duration(i) * time.Hour)
adjusted, err := adjustRequestedHistories(store, []db.TopicHistory{th})
require.NoError(t, err)
require.Len(t, adjusted, 1)
require.Equal(t, th.Duration, adjusted[0].Duration)
}
func TestAdjustHistoryReplaceTopicWithHigherDuration(t *testing.T) {
store := createInMemStore(t)
topic := whisper.TopicType{1}
hour := store.NewHistory(topic, time.Hour)
require.NoError(t, hour.Save())
minute := store.NewHistory(topic, time.Minute)
adjusted, err := adjustRequestedHistories(store, []db.TopicHistory{minute})
require.NoError(t, err)
require.Len(t, adjusted, 1)
require.Equal(t, hour.Duration, adjusted[0].Duration)
}
// if client requested lower duration than the one we have in the index already it will
// it will be discarded and we will use existing index
func TestAdjustHistoryRemoveTopicIfPendingWithHigherDuration(t *testing.T) {
store := createInMemStore(t)
topic := whisper.TopicType{1}
hour := store.NewHistory(topic, time.Hour)
hour.RequestID = common.Hash{1}
require.NoError(t, hour.Save())
minute := store.NewHistory(topic, time.Minute)
adjusted, err := adjustRequestedHistories(store, []db.TopicHistory{minute})
require.NoError(t, err)
require.Len(t, adjusted, 0)
}